Located inconspicuously next to a budget motel on a quiet street, behind Thunderbolt’s unassuming exterior is a technique-driven cocktail destination. Designed by Denver-based firm Wunder Werkz, the interior features a bold palette of greens, peach and orange, complemented by custom kudzu-print wallpaper. Large bay windows offer a view of the 101 freeway, creating an aquarium-like effect by day or night, and double as counters between guests on the patio and those inside, blurring the line between indoor and outdoor seating.

The space was previously home to Dinner House M, an underground after-hours club legendary to the neighbourhood, and Thunderbolt pays homage with the original lightbox sign still marking the way.

The centrepiece is a striking marmoreal bar top, its terrazzo-like pattern made from marble shards sourced from UK design firm Dzek, with hooks for bags and coats built into the facade. Behind the bar, a custom-milled patchwork of cubby-style shelves displays bottles and records. The bar was built to be low-impact on bartenders, with room for several to work without getting in each other’s way, and lighting has been carefully considered in line with Title 24 standards, a programme that maximises efficiency based on each fixture’s proximity to natural light.

Despite its hidden location, Thunderbolt has become a beloved neighbourhood haunt, known for its welcoming ambiance. There are no reservations or dress codes, just warmth and a passion for great drinks, with staff well-versed in both classic cocktails and inventive technique.

Thunderbolt takes a no-nonsense approach to cocktail-making, built around efficiency, sustainability and flavour above all. Nothing on the menu is a simple shaken or stirred mix; instead the bar orders its list according to technique and ingredient, letting guests read a concise flavour description or explore further if they choose. The menu changes incrementally, developed collaboratively with new drinks assigned project leads among the team. The prep team puts in around 50 hours a week on ingredients such as shiitake brown butter-washed brandy or centrifugally infused jackfruit rum, and finished cocktails are presented simply, with functional garnishes over clear ice.

The team have pioneered techniques and worked to share them with the wider industry, spending nearly two years developing their egg-white replacement, “sour syrup”, which has drawn considerable attention. The complexity of the bar’s processes means a new starter takes roughly a year to learn the full menu.

Beyond cocktails, Thunderbolt holds one of the largest Madeira collections of any US cocktail bar, with more than 25 bottles available by the glass. The long-standing team keep their community close, with a fundraising partnership with the Echo Park Trash Club, a volunteer organisation supporting unhoused encampments with healthier shelter.